package com.work.leetcode;

import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

/**
 * Created by suk on 2018/10/31.
 */
public class Test {

    public static void main(String[] args) {
        test1();
    }

    private static void test1() {

        Map map = new HashMap();
        map = null;
        map.get("abc");

    }
}
